108797309 has 2 divisors, whose sum is σ = 108797310. Its totient is φ = 108797308.

The previous prime is 108797257. The next prime is 108797323. The reversal of 108797309 is 903797801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 13344409 = 9770^2 + 3653^2 .

It is an emirp because it is prime and its reverse (903797801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108797309 is a prime.

It is a super-4 number, since 4×108797309⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108797309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108797509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54398654 + 54398655.

It is an arithmetic number, because the mean of its divisors is an integer number (54398655).

Almost surely, 2^108797309 is an apocalyptic number.

It is an amenable number.

108797309 is a deficient number, since it is larger than the sum of its proper divisors (1).

108797309 is an equidigital number, since it uses as much as digits as its factorization.

108797309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 108797309 is about 10430.5948536025. The cubic root of 108797309 is about 477.3893408766.

The spelling of 108797309 in words is "one hundred eight million, seven hundred ninety-seven thousand, three hundred nine".